名词短语
中文翻译：硬度测试
同义词：
['硬度试验例句：1. The drop hardness test is used to measure the hardness of a material.（硬度测试用于测量材料的硬度。）2. During the drop hardness test', 'the sample is dropped onto a surfaceand its impact is measured.（在硬度测试过程中，样品被抛向表面并测量其冲击。）3. The drop hardness testis an important tool for determining the qualityof metal products.（硬度测试是确定金属产品质量的重要工具。）']
例句：
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1. The drop hardness test is used to measure the hardness of a material.
硬度测试用于测量材料的硬度。
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2. During the drop hardness test, the sample is dropped onto a surfaceand its impact is measured.
在硬度测试过程中，样品被抛向表面并测量其冲击。
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3. The drop hardness testis an important tool for determining the qualityof metal products.
硬度测试是确定金属产品质量的重要工具。